559-520 phone numbers

Numbers 559-520-0000 to 559-520-9999 are assigned to Onvoy, LLC (rate centre BURREL, CA, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 559-520-1xxx, 559-520-9xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 559-520